def coordinates(self, starttime=None, endtime=None, count=None, *args, **kwargs):
"""
Web service to return a list of coordinates for graphing on map and timeline
"""
conn = common.get_sql_conn(self.sql_file)
c = self._get_images_cursor(conn, starttime, endtime, count)
out = {'dateTimeFormat': 'iso8601', 'events': []}
lasttimestamp = None
delta = timedelta(0,10) # 10 seconds
savets = True
for row in c:
timestamp = row[1]
if (savets):
out['timestamp'] = timestamp.strftime(TIMEFT_WEB)
savets = False
if ((not(lasttimestamp) or (timestamp - lasttimestamp) >= delta) or row[4]==1):
out['events'].append({
"start": timestamp.strftime(TIMEFT_WEB),
"description": "tagged" if row[4] == 1 else "normal",
"point": {
"lat": row[2], "lon": row[3]}})
if row[4] == 0:
lasttimestamp = timestamp
c.close()
conn.close()
cherrypy.response.headers['Content-Type'] = "text/html"
return json.dumps(out, indent=4)
def images(self,
starttime=None,
endtime=None,
count=None,
duration=1,
jump=0):
"""
Web service to return images based on a time-range
"""
conn = common.get_sql_conn(self.sql_file)
c = self._get_images_cursor(conn, starttime, endtime, count, duration,
jump)
out = []
for row in c:
out.append({
"timestamp": row[1].strftime(TIMEFT_WEB),
"point": {
"lat": row[2],
"lon": row[3]
},
"images": row[5:]
})
c.close()
conn.close()
cherrypy.response.headers['Content-Type'] = "text/html"
return json.dumps(out, indent=4)
def create_db(sql_file, numcams):
conn = common.get_sql_conn(sql_file)
c = conn.cursor()
# make a property for each camera
camstr = ", ".join(list("cam" + str(i) + " text" for i in range(numcams)))
c.executescript(
"drop table if exists images; " +\
"create table images ( " +\
"id INTEGER PRIMARY KEY, " +\
"datetime TIMESTAMP, " +\
"lat REAL, lon REAL, is_tagged INTEGER DEFAULT 0, " +\
camstr + ");")
conn.commit()
c.close()
conn.close()
def create_db(sql_file, numcams):
conn = common.get_sql_conn(sql_file)
c = conn.cursor()
# make a property for each camera
camstr = ", ".join(list("cam" + str(i) + " text" for i in range(numcams)))
c.executescript(
"drop table if exists images; " +\
"create table images ( " +\
"id INTEGER PRIMARY KEY, " +\
"datetime TIMESTAMP, " +\
"lat REAL, lon REAL, is_tagged INTEGER DEFAULT 0, " +\
camstr + ");")
conn.commit()
c.close()
conn.close()
def images(self, starttime=None, endtime=None, count=None, duration=1, jump=0):
"""
Web service to return images based on a time-range
"""
conn = common.get_sql_conn(self.sql_file)
c = self._get_images_cursor(conn, starttime, endtime, count, duration, jump)
out = []
for row in c:
out.append({
"timestamp": row[1].strftime(TIMEFT_WEB),
"point": {
"lat": row[2], "lon": row[3]},
"images": row[5:]})
c.close()
conn.close()
cherrypy.response.headers['Content-Type'] = "text/html"
return json.dumps(out, indent=4)
def load_db(sql_file, ftable, eventhash):
conn = common.get_sql_conn(sql_file)
c = conn.cursor()
n = 0
for frame in ftable:
sql = "insert into images values (?,?,?,?,?," + \
",".join('?' for i in range(len(frame))) + ")"
values = [n, frame[0].timestamp()]
event = eventhash[frame[0].timestamp()] if frame[0].timestamp() in eventhash else None
if event:
values += [event.lat(), event.lon(), event.is_tagged()]
else:
values += [None,None,None]
values += list("/".join(f.filename().split("/")[-3:]) for f in frame)
c.execute(sql,values)
n += 1
conn.commit()
c.close()
conn.close()
def load_db(sql_file, ftable, eventhash):
conn = common.get_sql_conn(sql_file)
c = conn.cursor()
n = 0
for frame in ftable:
sql = "insert into images values (?,?,?,?,?," + \
",".join('?' for i in range(len(frame))) + ")"
values = [n, frame[0].timestamp()]
event = eventhash[frame[0].timestamp()] if frame[0].timestamp(
) in eventhash else None
if event:
values += [event.lat(), event.lon(), event.is_tagged()]
else:
values += [None, None, None]
values += list("/".join(f.filename().split("/")[-3:]) for f in frame)
c.execute(sql, values)
n += 1
conn.commit()
c.close()
conn.close()
def coordinates(self,
starttime=None,
endtime=None,
count=None,
*args,
**kwargs):
"""
Web service to return a list of coordinates for graphing on map and timeline
"""
conn = common.get_sql_conn(self.sql_file)
c = self._get_images_cursor(conn, starttime, endtime, count)
out = {'dateTimeFormat': 'iso8601', 'events': []}
lasttimestamp = None
delta = timedelta(0, 10) # 10 seconds
savets = True
for row in c:
timestamp = row[1]
if (savets):
out['timestamp'] = timestamp.strftime(TIMEFT_WEB)
savets = False
if ((not (lasttimestamp) or (timestamp - lasttimestamp) >= delta)
or row[4] == 1):
out['events'].append({
"start":
timestamp.strftime(TIMEFT_WEB),
"description":
"tagged" if row[4] == 1 else "normal",
"point": {
"lat": row[2],
"lon": row[3]
}
})
if row[4] == 0:
lasttimestamp = timestamp
c.close()
conn.close()
cherrypy.response.headers['Content-Type'] = "text/html"
return json.dumps(out, indent=4)